NDS Dura Slope Kit with DS-664 HDPE Slotted Grate | Sand

SKU: DSK-664

Choose from 7 different grate colors! Pre-sloped system by NDS®.


The 6″ Dura Slope by NDS® is a lightweight HDPE drainage system.  NDS® Dura Slope sets high standards for chemical and load resistance.  Its four foot modular channel sections offer neutral and 0.7% slopes with rounded bottoms, creating an efficient water evacuation route for any application.  Each channel has a 4″ bottom outlet knockout that provides a greater degree of design variability for the drainage system.


Each Dura Slope Kit Includes:

  • 1 – Dura Slope channel for each 4ft. of kit length ordered
  • 2 – 2ft. Polyolefin slotted grates for each 4ft. of length ordered
  • 4 – Grate Locking Devices for each 4ft. of length ordered
  • 1 – End Outlet
  • 1- End Cap

Want to know more about this system?  Click Here for more information.


Layout Info:
Before we can ship your Pre sloped drain order, a layout will need to be approved by you. Once we receive your order, we will contact you via email with a layout drawing showing what channels you will receive and the order they need to be installed. We will need a confirmation email from you that you accept the layout.

DrainageKits.com reserves the right to choose the channel depth of the channels you receive. If you have certain channels or a channel depth in mind, please note this in Order Notes at checkout. We will do our best to accommodate you if the channels are in stock. Channels are shipped with installation covers that are to be in place during the concrete pour.



Grate Pattern

Product Type

Drainage Kit

Load Class

Load Class B

Grate Width

6 inch


Commercial, Driveway Drainage, Municipal, Patio, Poolside, Residential

Kit Length

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Channel Material



Dura Slope

Grate Material

CSI Code 22 00 00, 22 14 00, 22 14 26, 22 14 26.19, 33 30 00, 33 40 00, 33 44 00, 33 44 13, 33 44 16, 33 46 13